F17B   1/00		̤Υۥ緿ƴ̣£ģޤϿ͹ŪηޤϼǤή¢£ǣ	Gas-holders of variable capacity(large containers in general <b>B65D88/00</b>; storing fluids in natural or artificial cavities or chambers in the earth <b>B65G5/00</b>)	750
F17B   1/007		줳˲ưΥ󥰾ĤΡʣƣ£ͥ表󥰤̩ƣ£ˡΣ	with telescopically movable ring-shaped parts(<b>F17B1/10</b> takes precedence; sealing of rings <b>F17B1/04</b>)	115
F17B   1/013		ưǥĤΡʣƣ£ͥ表ǥ̩ƣ£ˡΣ	with movables discs(<b>F17B1/10</b> takes precedence; sealing of discs <b>F17B1/04</b>)	214
F17B   1/02			Details	993
F17B   1/04		饤ΤΥְ̩̣֡ƣʣ	Sealing devices for sliding parts(in general <b>F16J15/00</b>)	450
F17B   1/06		դѤ	using sealing liquids	250
F17B   1/08		ѥå󥰤ΤѤΡ㡥	using resilient materials for packing, e.g. leather	223
F17B   1/10		ư⤹	Guiding moving parts	140
F17B   1/12		֤ޤϥӽ	Gas admission or discharge arrangements	442
F17B   1/14		֡㡥ᰵɻ	Safety devices, e.g. prevention of excess pressure	547
F17B   1/16			of wet type	140
F17B   1/18		٥Τ	bell-shaped	83
F17B   1/20		Ҿ˿̼ߤΤ	telescopic	76
F17B   1/22		˰⤵Ƥ	spirally-guided	11
F17B   1/24			of dry type	298
F17B   1/26		ɡ㡥٥ĤΡıǽΤؤۤμդ£ã	with flexible walls, e.g. bellows(connection of valves to inflatable elastic bodies <b>B60C29/00</b>)	425
